FC4‚ FC4 L, including the explosion-proof variants
Legend
No.
Designation
1
Emergency call key
2
Headset socket
3
Earpiece
4
Display
5
Handsfree loudspeaker
6
L
EFT
7
R
IGHT
8
S
ELECTOR
9
[R] key
10
H
ANDSET HOOK
11
[1] key
12
Digit keys
S
OFTKEY
S
OFTKEY
key
O
/ O
key
N
FF
Description
Keep key depressed until a deep
confirmation tone sounds!
Not available for FC4 Ex and FC4 L Ex.
Read and follow the safety instructions!
Indicates call numbers and settings
On rear of the casing
Functions depend on status (shown in
display) and for switching
Functions depend on status (shown in
display) and for switching
1st function: Confirm settings (press
upon the centre of the key S
2nd function: arrow-up-down-key to
scroll in the menu or in the lists
(press upon the upper or lower end
of t he key S
ELECTOR
3rd function: Changing the earpiece
volume temporarily during a conver-
sation (Shortly pressing key S
Up / Down)
TOR
1st function: Signal button for func-
tions in a telephone system (e.g.
PABX)
2nd function: Handsfree operation
On / Off
Corresponds to lifting and replacing the
handset
1st function: Digits and letters
2nd function: Microphone mute
3rd function: Disable acoustic call si-
gnalling (quick access; long key-
stroke during idle mode)
For digits and letters
Introduction
OFF
ON
)
ELECTOR
)
-
ELEC
105